Alright, let's solve this math problem step by step. First, we have the number 13. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 355. So, we're going to take the number 13 and add it to itself 355 times.
Step 1: 0 + 13 = 13
Step 2: 13 + 13 = 26
Step 3: 26 + 13 = 39
Step 4: 39 + 13 = 52
Step 5: 52 + 13 = 65
Step 6: 65 + 13 = 78
Step 7: 78 + 13 = 91
Step 8: 91 + 13 = 104
Step 9: 104 + 13 = 117
Step 10: 117 + 13 = 130
Step 11: 130 + 13 = 143
Step 12: 143 + 13 = 156
Step 13: 156 + 13 = 169
Step 14: 169 + 13 = 182
Step 15: 182 + 13 = 195
Step 16: 195 + 13 = 208
Step 17: 208 + 13 = 221
Step 18: 221 + 13 = 234
Step 19: 234 + 13 = 247
Step 20: 247 + 13 = 260
Step 21: 260 + 13 = 273
Step 22: 273 + 13 = 286
Step 23: 286 + 13 = 299
Step 24: 299 + 13 = 312
Step 25: 312 + 13 = 325
Step 26: 325 + 13 = 338
Step 27: 338 + 13 = 351
Step 28: 351 + 13 = 364
Step 29: 364 + 13 = 377
Step 30: 377 + 13 = 390
Step 31: 390 + 13 = 403
Step 32: 403 + 13 = 416
Step 33: 416 + 13 = 429
Step 34: 429 + 13 = 442
Step 35: 442 + 13 = 455
Step 36: 455 + 13 = 468
Step 37: 468 + 13 = 481
Step 38: 481 + 13 = 494
Step 39: 494 + 13 = 507
Step 40: 507 + 13 = 520
Step 41: 520 + 13 = 533
Step 42: 533 + 13 = 546
Step 43: 546 + 13 = 559
Step 44: 559 + 13 = 572
Step 45: 572 + 13 = 585
Step 46: 585 + 13 = 598
Step 47: 598 + 13 = 611
Step 48: 611 + 13 = 624
Step 49: 624 + 13 = 637
Step 50: 637 + 13 = 650
Step 51: 650 + 13 = 663
Step 52: 663 + 13 = 676
Step 53: 676 + 13 = 689
Step 54: 689 + 13 = 702
Step 55: 702 + 13 = 715
Step 56: 715 + 13 = 728
Step 57: 728 + 13 = 741
Step 58: 741 + 13 = 754
Step 59: 754 + 13 = 767
Step 60: 767 + 13 = 780
Step 61: 780 + 13 = 793
Step 62: 793 + 13 = 806
Step 63: 806 + 13 = 819
Step 64: 819 + 13 = 832
Step 65: 832 + 13 = 845
Step 66: 845 + 13 = 858
Step 67: 858 + 13 = 871
Step 68: 871 + 13 = 884
Step 69: 884 + 13 = 897
Step 70: 897 + 13 = 910
Step 71: 910 + 13 = 923
Step 72: 923 + 13 = 936
Step 73: 936 + 13 = 949
Step 74: 949 + 13 = 962
Step 75: 962 + 13 = 975
Step 76: 975 + 13 = 988
Step 77: 988 + 13 = 1001
Step 78: 1001 + 13 = 1014
Step 79: 1014 + 13 = 1027
Step 80: 1027 + 13 = 1040
Step 81: 1040 + 13 = 1053
Step 82: 1053 + 13 = 1066
Step 83: 1066 + 13 = 1079
Step 84: 1079 + 13 = 1092
Step 85: 1092 + 13 = 1105
Step 86: 1105 + 13 = 1118
Step 87: 1118 + 13 = 1131
Step 88: 1131 + 13 = 1144
Step 89: 1144 + 13 = 1157
Step 90: 1157 + 13 = 1170
Step 91: 1170 + 13 = 1183
Step 92: 1183 + 13 = 1196
Step 93: 1196 + 13 = 1209
Step 94: 1209 + 13 = 1222
Step 95: 1222 + 13 = 1235
Step 96: 1235 + 13 = 1248
Step 97: 1248 + 13 = 1261
Step 98: 1261 + 13 = 1274
Step 99: 1274 + 13 = 1287
Step 100: 1287 + 13 = 1300
Step 101: 1300 + 13 = 1313
Step 102: 1313 + 13 = 1326
Step 103: 1326 + 13 = 1339
Step 104: 1339 + 13 = 1352
Step 105: 1352 + 13 = 1365
Step 106: 1365 + 13 = 1378
Step 107: 1378 + 13 = 1391
Step 108: 1391 + 13 = 1404
Step 109: 1404 + 13 = 1417
Step 110: 1417 + 13 = 1430
Step 111: 1430 + 13 = 1443
Step 112: 1443 + 13 = 1456
Step 113: 1456 + 13 = 1469
Step 114: 1469 + 13 = 1482
Step 115: 1482 + 13 = 1495
Step 116: 1495 + 13 = 1508
Step 117: 1508 + 13 = 1521
Step 118: 1521 + 13 = 1534
Step 119: 1534 + 13 = 1547
Step 120: 1547 + 13 = 1560
Step 121: 1560 + 13 = 1573
Step 122: 1573 + 13 = 1586
Step 123: 1586 + 13 = 1599
Step 124: 1599 + 13 = 1612
Step 125: 1612 + 13 = 1625
Step 126: 1625 + 13 = 1638
Step 127: 1638 + 13 = 1651
Step 128: 1651 + 13 = 1664
Step 129: 1664 + 13 = 1677
Step 130: 1677 + 13 = 1690
Step 131: 1690 + 13 = 1703
Step 132: 1703 + 13 = 1716
Step 133: 1716 + 13 = 1729
Step 134: 1729 + 13 = 1742
Step 135: 1742 + 13 = 1755
Step 136: 1755 + 13 = 1768
Step 137: 1768 + 13 = 1781
Step 138: 1781 + 13 = 1794
Step 139: 1794 + 13 = 1807
Step 140: 1807 + 13 = 1820
Step 141: 1820 + 13 = 1833
Step 142: 1833 + 13 = 1846
Step 143: 1846 + 13 = 1859
Step 144: 1859 + 13 = 1872
Step 145: 1872 + 13 = 1885
Step 146: 1885 + 13 = 1898
Step 147: 1898 + 13 = 1911
Step 148: 1911 + 13 = 1924
Step 149: 1924 + 13 = 1937
Step 150: 1937 + 13 = 1950
Step 151: 1950 + 13 = 1963
Step 152: 1963 + 13 = 1976
Step 153: 1976 + 13 = 1989
Step 154: 1989 + 13 = 2002
Step 155: 2002 + 13 = 2015
Step 156: 2015 + 13 = 2028
Step 157: 2028 + 13 = 2041
Step 158: 2041 + 13 = 2054
Step 159: 2054 + 13 = 2067
Step 160: 2067 + 13 = 2080
Step 161: 2080 + 13 = 2093
Step 162: 2093 + 13 = 2106
Step 163: 2106 + 13 = 2119
Step 164: 2119 + 13 = 2132
Step 165: 2132 + 13 = 2145
Step 166: 2145 + 13 = 2158
Step 167: 2158 + 13 = 2171
Step 168: 2171 + 13 = 2184
Step 169: 2184 + 13 = 2197
Step 170: 2197 + 13 = 2210
Step 171: 2210 + 13 = 2223
Step 172: 2223 + 13 = 2236
Step 173: 2236 + 13 = 2249
Step 174: 2249 + 13 = 2262
Step 175: 2262 + 13 = 2275
Step 176: 2275 + 13 = 2288
Step 177: 2288 + 13 = 2301
Step 178: 2301 + 13 = 2314
Step 179: 2314 + 13 = 2327
Step 180: 2327 + 13 = 2340
Step 181: 2340 + 13 = 2353
Step 182: 2353 + 13 = 2366
Step 183: 2366 + 13 = 2379
Step 184: 2379 + 13 = 2392
Step 185: 2392 + 13 = 2405
Step 186: 2405 + 13 = 2418
Step 187: 2418 + 13 = 2431
Step 188: 2431 + 13 = 2444
Step 189: 2444 + 13 = 2457
Step 190: 2457 + 13 = 2470
Step 191: 2470 + 13 = 2483
Step 192: 2483 + 13 = 2496
Step 193: 2496 + 13 = 2509
Step 194: 2509 + 13 = 2522
Step 195: 2522 + 13 = 2535
Step 196: 2535 + 13 = 2548
Step 197: 2548 + 13 = 2561
Step 198: 2561 + 13 = 2574
Step 199: 2574 + 13 = 2587
Step 200: 2587 + 13 = 2600
Step 201: 2600 + 13 = 2613
Step 202: 2613 + 13 = 2626
Step 203: 2626 + 13 = 2639
Step 204: 2639 + 13 = 2652
Step 205: 2652 + 13 = 2665
Step 206: 2665 + 13 = 2678
Step 207: 2678 + 13 = 2691
Step 208: 2691 + 13 = 2704
Step 209: 2704 + 13 = 2717
Step 210: 2717 + 13 = 2730
Step 211: 2730 + 13 = 2743
Step 212: 2743 + 13 = 2756
Step 213: 2756 + 13 = 2769
Step 214: 2769 + 13 = 2782
Step 215: 2782 + 13 = 2795
Step 216: 2795 + 13 = 2808
Step 217: 2808 + 13 = 2821
Step 218: 2821 + 13 = 2834
Step 219: 2834 + 13 = 2847
Step 220: 2847 + 13 = 2860
Step 221: 2860 + 13 = 2873
Step 222: 2873 + 13 = 2886
Step 223: 2886 + 13 = 2899
Step 224: 2899 + 13 = 2912
Step 225: 2912 + 13 = 2925
Step 226: 2925 + 13 = 2938
Step 227: 2938 + 13 = 2951
Step 228: 2951 + 13 = 2964
Step 229: 2964 + 13 = 2977
Step 230: 2977 + 13 = 2990
Step 231: 2990 + 13 = 3003
Step 232: 3003 + 13 = 3016
Step 233: 3016 + 13 = 3029
Step 234: 3029 + 13 = 3042
Step 235: 3042 + 13 = 3055
Step 236: 3055 + 13 = 3068
Step 237: 3068 + 13 = 3081
Step 238: 3081 + 13 = 3094
Step 239: 3094 + 13 = 3107
Step 240: 3107 + 13 = 3120
Step 241: 3120 + 13 = 3133
Step 242: 3133 + 13 = 3146
Step 243: 3146 + 13 = 3159
Step 244: 3159 + 13 = 3172
Step 245: 3172 + 13 = 3185
Step 246: 3185 + 13 = 3198
Step 247: 3198 + 13 = 3211
Step 248: 3211 + 13 = 3224
Step 249: 3224 + 13 = 3237
Step 250: 3237 + 13 = 3250
Step 251: 3250 + 13 = 3263
Step 252: 3263 + 13 = 3276
Step 253: 3276 + 13 = 3289
Step 254: 3289 + 13 = 3302
Step 255: 3302 + 13 = 3315
Step 256: 3315 + 13 = 3328
Step 257: 3328 + 13 = 3341
Step 258: 3341 + 13 = 3354
Step 259: 3354 + 13 = 3367
Step 260: 3367 + 13 = 3380
Step 261: 3380 + 13 = 3393
Step 262: 3393 + 13 = 3406
Step 263: 3406 + 13 = 3419
Step 264: 3419 + 13 = 3432
Step 265: 3432 + 13 = 3445
Step 266: 3445 + 13 = 3458
Step 267: 3458 + 13 = 3471
Step 268: 3471 + 13 = 3484
Step 269: 3484 + 13 = 3497
Step 270: 3497 + 13 = 3510
Step 271: 3510 + 13 = 3523
Step 272: 3523 + 13 = 3536
Step 273: 3536 + 13 = 3549
Step 274: 3549 + 13 = 3562
Step 275: 3562 + 13 = 3575
Step 276: 3575 + 13 = 3588
Step 277: 3588 + 13 = 3601
Step 278: 3601 + 13 = 3614
Step 279: 3614 + 13 = 3627
Step 280: 3627 + 13 = 3640
Step 281: 3640 + 13 = 3653
Step 282: 3653 + 13 = 3666
Step 283: 3666 + 13 = 3679
Step 284: 3679 + 13 = 3692
Step 285: 3692 + 13 = 3705
Step 286: 3705 + 13 = 3718
Step 287: 3718 + 13 = 3731
Step 288: 3731 + 13 = 3744
Step 289: 3744 + 13 = 3757
Step 290: 3757 + 13 = 3770
Step 291: 3770 + 13 = 3783
Step 292: 3783 + 13 = 3796
Step 293: 3796 + 13 = 3809
Step 294: 3809 + 13 = 3822
Step 295: 3822 + 13 = 3835
Step 296: 3835 + 13 = 3848
Step 297: 3848 + 13 = 3861
Step 298: 3861 + 13 = 3874
Step 299: 3874 + 13 = 3887
Step 300: 3887 + 13 = 3900
Step 301: 3900 + 13 = 3913
Step 302: 3913 + 13 = 3926
Step 303: 3926 + 13 = 3939
Step 304: 3939 + 13 = 3952
Step 305: 3952 + 13 = 3965
Step 306: 3965 + 13 = 3978
Step 307: 3978 + 13 = 3991
Step 308: 3991 + 13 = 4004
Step 309: 4004 + 13 = 4017
Step 310: 4017 + 13 = 4030
Step 311: 4030 + 13 = 4043
Step 312: 4043 + 13 = 4056
Step 313: 4056 + 13 = 4069
Step 314: 4069 + 13 = 4082
Step 315: 4082 + 13 = 4095
Step 316: 4095 + 13 = 4108
Step 317: 4108 + 13 = 4121
Step 318: 4121 + 13 = 4134
Step 319: 4134 + 13 = 4147
Step 320: 4147 + 13 = 4160
Step 321: 4160 + 13 = 4173
Step 322: 4173 + 13 = 4186
Step 323: 4186 + 13 = 4199
Step 324: 4199 + 13 = 4212
Step 325: 4212 + 13 = 4225
Step 326: 4225 + 13 = 4238
Step 327: 4238 + 13 = 4251
Step 328: 4251 + 13 = 4264
Step 329: 4264 + 13 = 4277
Step 330: 4277 + 13 = 4290
Step 331: 4290 + 13 = 4303
Step 332: 4303 + 13 = 4316
Step 333: 4316 + 13 = 4329
Step 334: 4329 + 13 = 4342
Step 335: 4342 + 13 = 4355
Step 336: 4355 + 13 = 4368
Step 337: 4368 + 13 = 4381
Step 338: 4381 + 13 = 4394
Step 339: 4394 + 13 = 4407
Step 340: 4407 + 13 = 4420
Step 341: 4420 + 13 = 4433
Step 342: 4433 + 13 = 4446
Step 343: 4446 + 13 = 4459
Step 344: 4459 + 13 = 4472
Step 345: 4472 + 13 = 4485
Step 346: 4485 + 13 = 4498
Step 347: 4498 + 13 = 4511
Step 348: 4511 + 13 = 4524
Step 349: 4524 + 13 = 4537
Step 350: 4537 + 13 = 4550
Step 351: 4550 + 13 = 4563
Step 352: 4563 + 13 = 4576
Step 353: 4576 + 13 = 4589
Step 354: 4589 + 13 = 4602
Step 355: 4602 + 13 = 4615

So, 13*355 = 4615